Coaching geniuses John Fox and Bill Belichick head to a Super Bowl face-off

In pro football, the real game is on the sidelines. There the head coach paces, barking orders into his headset, congratulating or chastising a player, wearing a sociopath's stern face as he silently prays he'll be baptized by a tub of Gatorade in the final minute of a winning game. The coach is a chess demon, planning dozens of gambits that depend on whether his quarterback throws for a big gain or gets sacked. He is a video-game whiz kid, and the playing field is his Grand Theft Auto Vice City. He is a field marshal and, sometimes, a counselor--General Patton...